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A267
Gestetner A267 Manuals
Manuals and User Guides for Gestetner A267. We have
1
Gestetner A267 manual available for free PDF download: Service Manual
Gestetner A267 Service Manual (855 pages)
Brand:
Gestetner
| Category:
All in One Printer
| Size: 26.2 MB
Table of Contents
Table of Contents
13
Paper Tray Unit a
21
Large Capacity Tray a
22
Duplex a
23
Interchange Unit B
23
Bridge Unit a
24
Shift Tray Unit B
24
Finisher a
25
Scanner Kit a
26
Important Safety Notices
27
Laser Safety
28
Overall Information
29
Overall Machine Information
31
Specifications
33
Overall Machine Information
33
Machine Configuration
37
System Components
37
Copier Options
39
Fax and Printer Options
39
Installable Option Table
39
Scanner Option
39
Paper Path
40
Mechanical Component Layout
41
Electrical Component Descriptions
43
Drive Layout
46
Copy Process
47
Overview
47
Board Structure
49
Overview
49
Description
50
Detailed Descriptions
51
Detailed Section Descriptions
53
Scanning
53
Overview
53
Scanner Drive
54
Original Size Detection in Platen Mode
55
Image Processing
57
Overview
57
Sbu (Sensor Board Unit)
58
Auto Image Density
59
In the IPU
59
In the SBU
59
Service Mode" Original Types
59
Ipu (Image Processing Unit)
60
Overview
60
Image Processing Modes
61
Image Processing Path
63
SP Modes for each Image Processing Step
64
Auto Shading
70
Black Line Erase Compensation
70
White Line Erase Compensation
70
Main Scan Magnification/Reduction
72
Mirroring for ADF Mode
72
Filtering
73
Scanner Gamma
76
Gradation Processing
77
ID Gamma (Γ) Correction
77
Line Width Correction
79
Memory Controller and Enhanced Memory Board (Emb)
80
Fine Character and Image (FCI)
81
Printer Gamma Correction
81
Video Control Unit (Vcu)
81
Laser Exposure
82
Overview
82
Auto Power Control (Apc)
83
Ld Safety Switch
84
Photoconductor Unit (Pcu)
85
Overview
85
Drive
86
New Pcu Detection
87
Drum Charge
88
Overview
88
Charge Roller Voltage Correction
89
Correction for Environmental Conditions
89
ID Sensor Pattern Production Timing
90
Drum Charge Roller Cleaning
91
Development
92
Overview
92
Drive
93
Developer Mixing
94
Development Bias
95
Toner Bottle Replenishment Mechanism
96
Toner Supply
96
Toner Supply Mechanism
97
Overview
98
Toner Density Control
98
Toner Density Measurement
100
Toner Density Sensor Initial Setting
100
Toner Supply Determination
100
Toner Supply Reference Voltage (Vref) Determination
100
Vsp/Vsg Detection
100
Toner Supply Motor on Time Determinations
101
ID Sensor
102
TD Sensor
102
Toner Near End Detection
102
Toner Near End/End Detection and Recovery
102
Toner Supply in Abnormal Sensor Conditions
102
Toner End Detection
103
Toner End Recovery
103
Toner Near End Recovery
103
Drum Cleaning and Toner Recycling
104
Drum Cleaning
104
Toner Recycling
105
Paper Feed
106
Overview
106
Paper Feed Drive Mechanism
107
Paper Feed and Separation Mechanism
108
Paper Lift Mechanism
109
Paper End Detection
110
Paper Height Detection
111
Feed Pressure Adjustment for Paper Size
112
Overview
112
Paper Size Thresholds
112
Effect of the Amount of Remaining Paper
113
Feed Pressure Adjustment
113
Paper Size Detection
115
Special Paper Setting
116
End Fence
117
Side and End Fences
117
Side Fences
117
Paper Registration
118
Image Transfer and Paper Separation
119
Overview
119
Image Transfer Current Timing
120
Paper Separation Mechanism
121
Transfer Roller Cleaning
121
Image Fusing and Paper Exit
122
Fusing Drive and Release Mechanism
123
Fusing Entrance Guide Shift Mechanism
124
Cleaning Mechanism
125
Pressure Roller
125
Fusing Temperature Control
126
Temperature Control
126
Fusing Lamp Control
127
Overheat Protection
128
Paper Exit
128
Energy Saver Modes
129
Energy Saver Mode
129
Overview
129
Entering the Energy Saver Mode
130
Return to Stand-By Mode
130
What Happens in Energy Saver Mode
130
Entering the Low Power Mode
131
Low Power Mode
131
Return to Stand-By Mode
131
What Happens in Low Power Mode
131
Auto off Mode
132
Disabling Auto off Mode
132
Entering Auto off Mode
132
Returning to Stand-By Mode
132
What Happens in Auto off Mode
132
Entering Night Stand-By and Night Modes
133
Night Mode
133
What Happens in Night Stand-By and Night Modes
133
Returning to Stand-By Mode
134
Installation Procedure
137
Installation Requirements
137
Environment
137
Machine Level
137
Minimum Space Requirements
138
Power Requirements
139
Copier Installation
140
Power Sockets for Peripherals
140
Installation Flow Chart
141
Accessory Check
142
Installation Procedure
143
Paper Tray Unit Installation
147
Accessory Check
147
Lct Installation
150
Accessory Check
150
Auto Reverse Document Feeder Installation
153
Accessory Check
153
Installation Procedure
153
Interchange Unit Installation
156
Component Check
156
Installation Procedure
157
1-Bin Tray Unit Installation
159
Component Check
159
Installation Procedure
159
Shift Tray
162
Component Check
162
Installation Procedure
162
By-Pass Feed Unit Installation
164
Components Check
164
Installation Procedure
164
Duplex Unit Installation
166
Accessory Check
166
Installation Procedure
167
Bridge Unit Installation
169
Accessory Check
169
Installation Procedure
169
1,000-Sheet Finisher Installation
171
Copier Feature Expander Installation
174
Platen Cover Installation
175
Key Counter Installation
176
Anti-Condensation Heater
178
Tray Heater
179
Tray Heater (Optional Paper Tray Unit)
181
Tray Heater (Optional Lct)
184
Service Tables
187
General Caution
189
Pcu (Photoconductor Unit)
189
Scanner Unit
189
Transfer Roller Unit
189
Fusing Unit
190
Laser Unit
190
Others
190
Paper Feed
190
Service Program Mode
191
Service Program Access Procedure
191
Service Program Mode Operation
191
Accessing Copy Mode from Within an SP Mode
192
How to Select the Program Number
192
To Input a Value or Setting for an SP Mode
192
Service Program Mode Tables
193
Test Pattern Printing (Sp4-417 and Sp5-902)
248
Input Check (Sp5-803)
249
Input Check Table
249
Output Check (Sp5-804)
254
Output Check Table
254
Copy Jam History Display (Sp7-903)
256
Smc Data Lists (Sp5-992)
257
Original Jam History Display (Sp7-905)
258
Memory All Clear (Sp5-801)
259
Using a Flash Memory Card
259
Without Using a Flash Memory Card
259
Program Download (SP5-827)
260
Program Upload/Download
260
Program Upload (SP5-826)
261
Nvram Data Download
262
NVRAM Data Download (SP5-825)
262
NVRAM Data Upload (SP5-824)
263
(Sp4-301)
264
Aps and Platen/Df Cover Sensor Output Display
264
Df Aps Sensor Output Display (Sp6-901)
265
Nip Band Width Measurement
266
Display Language (Sp5-808)
267
Serial Number Input (Sp5-811)
267
ID Sensor Error Analysis (Sp2-221)
268
User Tools
269
How to Enter and Exit User Tools
269
System Setting Table
269
User Tools Table
269
Copy Setting Table
270
Leds
271
Bicu
271
Iob
271
Special Tools and Lubricants
271
Lubricants
271
Special Tools
271
Firmware Modification History
272
Rom History - Bicu (for Capture Box Type 270)
275
Preventive Maintenance
277
Preventive Maintenance Schedule
279
Pm Table
279
Replacement and Adjustment
283
Scanner Unit
285
Exposure Glass
285
Scanner Exterior/Operation Panel
286
Lens Block Assembly
287
Original Size Sensors/Lamp Stabilizer
288
Exposure Lamp
289
Scanner Motor
290
Scanner Wires
291
Laser Unit
294
Caution Decal Locations
294
Laser Unit
295
Ld Unit
296
Polygon Mirror Motor
296
Laser Synchronization Detector
297
Photoconductor Unit (Pcu)
298
Pcu
298
Transfer Unit
299
Transfer Roller Unit
299
Image Density Sensor
300
Fusing/Exit
301
Fusing Unit
301
Thermistor
301
Thermofuse
302
Hot Roller and Fusing Lamp
303
Pressure Roller/Cleaning Roller
304
Paper Exit Sensor/Paper Overflow Sensor
305
Feed Rollers
306
Paper End Sensor
307
Paper Tray Lift Motors
308
Registration Clutch
309
Paper Feed Clutches
310
Relay Clutches
311
Paper Size Detector/Special Paper Sensor
312
Registration Sensor
313
Bicu Board
315
Pcbs and Other Items
315
I/O Board
316
Power Pack
316
Main Motor
317
Copy Adjustments: Printing/Scanning
319
Adf Image Adjustment
324
Troubleshooting
325
Service Call Conditions
327
SC921: EMB (Copier Feature Expander) Hardware Error
341
SC980: Program Loading Error
341
SC990: Communication Error between BICU and IOB
341
SC999: Program Version Error
341
Paper Feed Troubleshooting
342
Skewed Image
343
Adjust the Toner Density Control
344
Dirty Background
344
If the Toner Density Is too High
344
If the Toner Density Is too Low
344
Toner Density
344
Electrical Component Defects
346
Switches
347
Blown Fuse Conditions
348
Auto Recirculating Document Feeder A858
349
Overall Machine Information
351
Specifications
351
Mechanical Component Layout
352
Electrical Component Layout
353
Electrical Component Description
354
Drive Layout
355
Detailed Section Descriptions
356
Original Size Detection
356
Pick-Up and Separation
359
Original Transport and Exit
360
Single-Sided Originals
360
Double-Sided Originals
361
Original Trailing Edge Sensor
362
Stamp
363
Timing Charts
364
Lt Sideways (Single-Sided Original Mode)
364
Lt Sideways Stamp Mode
365
Lt Sideways (Double-Sided Original Mode)
366
Lt Sideways Stamp Mode
367
Condition of Jam Detection
368
Overall Electrical Circuit
369
Replacement and Adjustment
370
Df Exit Table and Cover
370
Original Feed Unit
371
Left Cover
372
Pick-Up Roller
373
Feed Belt
374
Separation Roller
375
Original Set/Original Reverse Sensor
376
Original Length, Widthsensor Board and
377
Trailing Edge Sensor
377
Stamp Solenoid and Original Exit Sensor
380
Paper Tray Unit
381
Electrical Component Layout
385
Feed Roller Replacement
396
Tray Main Board Replacement
397
Tray Motor Replacement
397
Relay Clutch Replacement
398
Upper Paper Feed Clutch Replacement
399
Lower Paper Feed Clutch Replacement
400
Lift Motor Replacement
401
Paper End Sensor Replacement
402
Vertical Transport Sensor Replacement
402
Paper Size Switch Replacement
403
Large Capacity Tray
405
Reverse Roller and Pick-Up Roller Release
412
Tray Lift
413
Near End/End Detection
414
Left Tray Rear Fence
415
Right Tray Side Fence
415
Right Tray Paper End Detection
416
Detaching the Tray from the Mainframe
417
Rear Fence Hp Sensor
417
Changing the Tray Paper Size
418
Left Tray Paper End Sensor
418
Tray Lift Motor
419
Tray Motor
420
Paper Feed Clutch and Relay Clutch
421
Paper Feed Unit
422
Upper Limit, Right Tray Paper End, and
423
Rear Fence Motor
424
Pick-Up/Paper Feed/Reverse Rollers
425
Basic Operation
431
Paper Size Sensor Board
434
Paper Feed Clutch
435
Interchange Unit
437
Detailed Description
442
Junction Gate Mechanism
442
Exit Sensor Replacement
443
Feed in and Exit Mechanism
454
Cover Removal
455
Entrance Sensor Replacement
456
Bin Tray Unit
459
Paper Sensor Removal
465
Bridge Unit
467
Bridge Unit Drive Motor Replacement
475
Relay Sensor Replacement
476
Tray Exit Sensor Replacement
476
Shift Tray Unit
477
Component Layout
480
Primary Mechanisms
482
Tray Shift
482
Half Turn Detection
483
Tray Cover Attachment
484
Tray Cover Removal
484
Tray Cover Replacement
484
Replacing the Half Turn Sensor
485
Replacing the Tray Motor
485
Electrical Component
491
Jogger Unit Paper Positioning Mechanism
496
Exit Guide Plate Open/Close Mechanism
497
Feed out Mechanism
499
Shift Tray Up/Down Mechanism
500
Shift Tray Side-To-Side Mechanism
501
Jam Conditions
502
No Staple Mode (A4 Sideways, 3 Sheets/2Sets)
503
Staple Mode (A4 Sideways, 2 Sheets/2 Sets)
504
Dip Switch Table
505
Test Points
505
Stack Height Sensor Replacement
510
Positioning Roller Replacement
511
Stapler Replacement
512
Rom History
513
Scanner Kit
514
Dram Simm
516
Scanner Control Board
516
Scanner Drivers
517
Scanner Utilities
517
Hardware Overview
518
Image Processing in the Scanner Controller
520
Scanner Functions
520
Self Diagnostics
520
Service Table
524
Downloading New Software
526
Software Download Procedure
526
Error Messages During the Software Download
527
Controller Board
528
Sc Code Descriptions
529
Service Call Condition
529
Firmware History
531
Fax Unit a
533
Table of Contents
535
1 Overall Machine Information
541
Specifications
541
Features
542
Features List
542
Capabilities of Programmable Items
545
Overall Machine Control
546
System Control
546
Memory Back-Up
547
Power Distribution and Control
547
Video Data Path
548
Transmission
548
Reception
550
Pc Fax Communication
551
Scanning and Printing
553
2 Detailed Section Descriptions
555
Automatic Service Calls
556
Effective Term of Service Calls
557
Periodic Service Call
557
Pm Call
557
Scanning Features
558
Page Split Transmission (Book Transmission)
558
Image Rotation before Transmission
559
Create Margin Transmission
561
Printing Features
562
Paper Size Selection
562
Just Size Printing
568
Reduction for Journal Printing
568
Journal Line Type Sort Printing
569
Printing Lists & Reports on A5/Hlt Size Paper
569
Reduction of the Sample Image on Reports
570
Fax Communication Features
571
Sep/Sub/Pwd/Sid
571
Jbig Compression
573
V.8/V.34 Protocol
574
Line Type Change
578
Pcbs
579
Fcu
579
Ncu (Us)
581
Ncu (Europe/Asia)
582
Sg3 Board
583
Exfunc Board
584
3 Installation
585
Fax Unit
585
Cautions
585
Flow Chart
586
Fax Option Type 270 Installation
587
Optional Units
591
G3 Interface Unit Type 270
591
Isdn Option Type 270
595
Pc Fax Expander (Pcfe)
598
Fax Function Expander (Exfunc)
600
Expansion Memory (Exmem) Board
602
Handset
603
4 Service Tables
605
Service Level Functions
605
Bit Switch Programming (Function 01)
605
How to Enter and Exit the Fax Service Mode
605
System Parameter Lists (Function 02)
606
Error Code Display (Function 03)
608
Fcu Rom Version Display (Function 02)
608
Modem Program Version Display (Function 02)
608
Service Monitor Report (Function 04)
608
G3 Protocol Dump List (Function 05)
609
G4 Protocol Dump List (Function 05)
609
Pc Protocol Dumplist (Function 05)
610
Ram Display and Rewrite (Function 06)
610
Ncu Parameters (Function 06)
611
Ram Dump (Function 06)
611
Fcu Reboot
612
Ram Clear (Function 07)
612
Service Station Fax Number (Function 09)
612
Modem Test (Function 11)
613
Serial Number (Function 10)
613
Dtmf Test (Function 11)
614
V.34 Modem Test (Function)
614
Memory Test (Function 11)
615
Ringer Test (Function 11)
615
Diu Test (Function 11)
616
File Printout (Function 13)
616
Data Transfer (Function 16)
617
Journal Printout (Function 14)
617
Usage Log Printout (Function 15)
617
Sg3-V34 (Function 17)
618
Bit Switches
621
System Switches
621
Scanner Switches
635
Printer Switches
640
Communication Switches
645
G3 Switches
656
Sg3 Switches
664
Ncu Parameters
671
Dedicated Transmission Parameters
682
Programming Procedure
682
Parameters
683
Service Ram Addresses
687
5 Preventive Maintenance
705
Special Tools and Lubricants
705
Pm Table
705
Removal and Replacement
707
Precaution
707
Fcu
707
Removal
707
Sram Data Restore from Fcu
709
Sram Data Restore from Flash Card Backup
710
Ncu
713
Rom Update
714
Fcu Rom Download
714
Fcu Rom Upload
716
Sg3 Board Rom Download
718
Sg3 Board Modem Rom Download
719
Sram Data Backup and Restore
720
Sram Backup to a Flash Memory Card
720
Sram Restore from a Flash Memory Card
721
7 Troubleshooting
723
Error Codes
723
Fax Sc Codes
732
Overview
732
Sc1201
732
Sc1207
732
Fax Sc Code Table
733
Rom History
734
Fax Controller Firmware History
734
G3 Interface Unit Firmware History
736
Sg3 Interface Unit Firmware History
737
Isdn Unit
739
Table of Contents
741
1 Installation
743
Installation Procedure
743
User Level Programming
746
Service Level Programming
747
2 Service Tables and Procedures
749
Service Level Functions
749
Bit Switches
750
G4 Internal Switches
750
G4 Parameter Switches
758
Dedicated Transmission Parameters
763
3 Troubleshooting
765
Error Codes
765
D-Channel Layer Management
766
D-Channel Link Layer
766
D-Channel, Layer 1
766
B-Channel Link Layer
767
D-Channel Network Layer
767
B-Channel Network Layer
768
Transport Layer
768
Session Layer
769
Document Layer
770
Presentation Layer
770
G4Ccu Status Codes
771
Layer 1 (Physical Layer)
771
Layer 2 (Link Layer)
771
Network Layer (Layer 3)
772
Session Layer, Document Control Layer (Layer 5)
772
Session Layer, Session Control Layer (Layer 5)
772
Transport Layer (Layer 4)
772
Leds
773
Back-To-Back Test
774
Printer Controller
775
Table of Contents
777
1 Overall Machine Information
779
Specifications
779
General Specifications
779
Supported Paper Sizes
780
Software Accessories
781
Printer Drivers
781
Service Tools
781
Utility Software
781
Machine Layout
782
Block Diagram
783
2 Detailed Section Descriptions
785
Image Data Processing
785
Engine Functions
785
Copier, Fax or Printer
785
Display Priority
785
Print Priority and Interleaving
785
Interleave
786
Controller Functions
787
Auto Tray Select
787
Paper Size/Type Detection and Selection
787
Paper Source Selection
787
By-Pass Tray
788
Manual Tray Select
788
Tray Lock
788
Output Tray Selection
789
Paper Size Mismatch
789
Collation (Sort)
790
Duplex Printing
791
Stapling
791
Proof Print
792
Hdd (Optional)
793
Job Reset
793
Menu Reset
793
Reset Operations
793
System Reset
793
3 Installation Procedures
795
Printer Controller
795
Hard Disk (Hdd)
799
Network Interface Board (Nib)
801
Postscript DIMM
803
Memory (Sdram DIMM)
805
Service Program Mode Overview
807
How to Enter the Sp Mode
807
Sp Mode Table
807
Bit Switch Programming
808
Service Menu
808
Nvram Reset
809
Power-On Diagnostics Error Display
810
Service Summary
810
Hdd Test
812
Hdd Format
813
Firmware Update
815
Firmware Download (Controller, Nib and Ps)
815
Error Recovery
817
Power-On Self Test
818
Other Tests
818
Parallel Loop-Back Test
818
Sc Codes
821
Led Display
822
Fatal Errors
823
B306 Firmware Modification History
825
Network Interface Board
831
Table of Contents
833
1 Overall Machine Information
835
Specifications
835
Software Accessories
835
Service Tools
835
Utility Software
835
Block Diagram
836
After Replacement
836
Component Layout
837
2 Installation
839
Hardware Installation
839
Utility Software Setup
839
Printer Manager for Admin
839
Web Status Monitor
839
Setting up the Nib for Various Networks
840
Netware Networks
840
Tcp/Ip Networks
841
Netbeui Networks
842
Possible Problems with DHCP Parameter Settings
842
Appletalk (Ethertalk) Networks
843
3 Service Tables and Procedures
845
Printing Reports
845
Nib Log List
845
Nib Status Sheet
845
Nvram Reset
845
4 Troubleshooting
847
Led Indications
847
Firmware History
849
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